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Finding the Fourth Proportional to 245,909.40, 368,864.10 and 244,354.20

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Solution

The fourth proportional to 245,909.40, 368,864.10 and 244,354.20 is: 366,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,909.40 : 368,864.10 = 244,354.20 : x
  2. Step 2: Convert to fraction form
    245,909.40/368,864.10 = 244,354.20/x
  3. Step 3: Cross multiply
    245,909.40x = 368,864.10 × 244,354.20
  4. Step 4: Simplify right side
    245,909.40x = 90,133,492,064.22
  5. Step 5: Solve for x
    x = 90,133,492,064.22/245,909.40
  6. Step 6: Final answer
    x = 366,531.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.